This practical resource offers expert guidance on the most critical aspects of microwave power amplifier design. This comprehensive book provides descriptions of all the major active devices, discusses large signal characterization, explains all the key circuit design procedures. Moreover you gain keen insight on the link between design parameters and technological implementation, helping you achieve optimal solutions with the most efficient utilization of available technologies. The book covers a broad range of essential topics, from requirements for high-power amplifiers, device models, phase noise and power combiners - to high-efficiency amplifiers, linear amplifier design, bias circuits, and thermal design.
Introduction - Scope of This Book. ; High-Power Amplifiers - Applications and Specifications. Active Devices.; Physics of Active Devices -Introduction. Basic Concepts of Solid-State Physics. Charge Transport in Semiconductors. Junctions and Barriers. FETs and MESFETs. Heterojunction Transistors. ; Device Characterization and Modeling -Introduction. Small-Signal Characterization and Models. Large-Signal Characterization. Large-Signal Models. ; Phase Noise -Introduction. Noise in Semiconductors. Noise in Active Devices. Phase Noise. Phase Noise in Amplifiers. ; Technologies for Microwave Power Amplifiers -Introduction. Waveguide Components. Microwave Integrated Circuits (MICs). ; Power Combiners and Dividers -Introduction. Balanced Stages and Quadrature Couplers. 180¬8 Couplers. Lumped-Element l /4 Transformers. Radial Combiners. Coupler Arrays. ; General Power-Amplifier Design -Introduction. Load-Pull Design. Broadband Matching Networks. Bode and FanoTheoretical Limitations on Matching. Bandwidth vs. Power. Load-Line Design. Large-Signal Simulation Design: Harmonic Balance. Potential Instabilities. ; High-Efficiency Amplifiers -Introduction. Class A: Output Power and Efficiency Versus Load Line. Class AB: Peak Voltage Versus Conduction Angle and Load Line. Overdriven Amplifiers. Class E. Real Devices and Circuits. ; Linear Power Amplifiers -Introduction. Linearity. Design Technique: Intermodulation and Power Contours. Test Set. A Simple Quadrature Model. Behavioral Models. Linearization Techniques. Channel Interference: ACPR, NPR, M-IMR. ; Special Power Amplifiers - Doherty Amplifier. Chireix Amplifier. Kahn EER Amplifier. ; Bias Circuits -Introduction. Passive Circuit. Broadband Voltage Followers. Bias Supply. Distributed Pulsing. ; Thermal Design -Introduction. Device Life Versus Temperature. Junction Temperature Measurements. Mode of Operation. Heat Sinks. ; About the Authors. Index ;
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Marina Bujatti
Marina Bujatti is a co-founder and Microwave Power Inc. (MPI), where she served as president before her retirement. She holds a Ph.D. in electrical engineering from the University of Rome, Italy.
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Franco Sechi
Franco Sechi is a co-founder Microwave Power Inc. (MPI), where he presently works as a consultant. He is a member of the editorial board of the IEEE Transactions on Microwave Theory and Techniques. Dr. Sechi holds a Ph.D. in electrical engineering from the Milan Polytechnic Institute, Italy.